.Holidayhottopics {
  width: 100%;
  height: 100%;
  position: relative;
}

.Holidayhottopics .Holidayhottopicsul {
  width: 100%;
  height: 220px;
  display: flex;
  padding: 0;
  margin: 0;
  list-style: none;
}

.Holidayhottopics .Holidayhottopicsul li {
  height: 220px;
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  margin-right: 30px;
  flex: 0 0 260px;
}

.Holidayhottopics .Holidayhottopicsul li img {
  width: 260px;
  height: 220px;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.Holidayhottopics .Holidayhottopicsul li .Solartermelements {
  width: 260px;
  height: 220px;
  background: rgba(0, 0, 0, 0.3);
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 10px;
  color: #fff;
  padding: 20px;
}

.Holidayhottopics .Holidayhottopicsul li .Solartermelements h1 {
  margin: 0;
}

.Holidayhottopics .Holidayhottopicsul li .Solartermelements p {
  margin: 0;
  color: #ccc;
}

.Holidayhottopics .Holidayhottopicsul li .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .h2 {
  color: #fff;
  margin-bottom: 5px;
  margin-left: 15px;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .zhang {
  color: #ccc;
  margin-bottom: 0px;
  margin-left: 15px;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .butgeng {
  width: 100px;
  height: 50px;
  background: #fff;
  position: absolute;
  right: 25px;
  bottom: 25px;
  text-align: center;
  line-height: 50px;
  border-radius: 10px;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .overlay-contentul {
  width: 90%;
  height: 120px;
  margin-top: 20px;
  margin-left: 5%;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .overlay-contentul li {
  width: 70px;
  height: 50px;
  background: #fff;
  text-align: center;
  line-height: 70px;
  float: left;
  margin-right: 5px;
  margin-bottom: 10px;
  border-radius: 5px;
}

.Holidayhottopics .Holidayhottopicsul li .overlay-content .overlay-contentul li img {
  width: 40px;
  height: 30px;
  margin-top: 10px;
}

.Holidayhottopics .Holidayhottopicsul li:hover .overlay {
  opacity: 1;
}

.Holidayhottopics .button {
  width: 100px;
  height: 40px;
  background: #0773fc;
  text-align: center;
  line-height: 40px;
  color: #fff;
  border-radius: 5px;
  margin-left: 44%;
  margin-top: 50px;
  cursor: pointer;
}

.Holidayhottopics .Summersolarterms {
  width: 1400px;
  height: 300px;
  background: red;
}
